115 Onyx Ct, Hercules, CA 94547 Property Records

Contra Costa County property record for 115 Onyx Ct, Hercules, CA 94547

Property Summary

Property Type	Single Family Home
Details	5 bd · 3.5 ba · 3,338 sqft · built 1997
Lot Size	0.193 acres (8,400 sqft)
Owner	2 Individual Names on Record
Last Sale	$332,000 (Feb 1999)
Tax Bill	$10,031 (2025)
Deeds & Mortgages	Jan 2022 Mortgage Jul 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`407-113-004-3`

Property Details

APN / Parcel Number

Primary APN	`407-113-004-3`
Alternative APN	`407-113-004`

Interior

Bedrooms	5 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,338 sqft Living Area
1st Floor Area	2,048 sqft
2nd Floor Area	1,290 sqft

Exterior

Year Built	Built 1997
Effective Year Built	Effective 2005
Lot Area	8,400 sqft (0.193 acres)
Garage Type	Attached
Garage Area	669 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	115 ONYX CT
City	HERCULES
State	CA
Zip	94547-1761
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	T06157 L0126 B
Legal Subdivision	SUBDIVISION #6157
Legal Tract	06157
Legal Lot Number	126
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	3
Census Block	3008
Census Tract	359204

Owner

Source: Contra Costa County records, as of July 14, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	115 ONYX CT, HERCULES, CA 94547-1761
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 11, 2022	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Jul 17, 2020	Deed of Trust, Mortgage · Conventional with PMI GOLDEN 1 CU
Apr 20, 2019	Deed of Trust, Mortgage · Conventional Mortgage GOLDEN 1 CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 9, 1999 · Amount on Record
Deed Sale	Feb 9, 1999 · Amount on Record
Deed Document Number	199934743
Record Updated	Sep 20, 2026

January 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	115 ONYX CT, HERCULES, CA 94547-1761
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	VANTAGE POINT TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	115 ONYX CT, HERCULES, CA 94547-1761

Mortgage

Document Number	0000005457
Date	Jan 11, 2022
Instrument	2022-005457

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2052

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	115 ONYX CT, HERCULES, CA 94547-1761
Document Number	0000152351
Instrument Date	Jul 17, 2020
Transaction Type	Mortgage
Record Updated	Aug 10, 2020
Title Company	PLACER TITLE COMPANY, PLACER TITLE CO.

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	115 ONYX CT HERCULES CA 945471761, HERCULES, CA 94547-1761

Mortgage

Document Number	0000152351
Date	Jul 24, 2020
Instrument	152351

Lender

Name	GOLDEN 1 CU
Type	Credit Union
Address	SACRAMENTO, CA 95826

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Jul 23, 2050

April 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	115 ONYX CT, HERCULES, CA 94547-1761
Document Number	0000058347
Instrument Date	Apr 20, 2019
Transaction Type	Mortgage
Record Updated	May 16, 2019
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	PO BOX 5595 HERCULES CA 945475595, HERCULES, CA 94547-5595

Mortgage

Document Number	0000058347
Date	Apr 25, 2019
Instrument	58347

Lender

Name	GOLDEN 1 CU
Type	Credit Union
Address	SACRAMENTO, CA 95826

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Apr 24, 2049

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Hercules City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$671,933 (+2%) Land $140,703 Building $531,230
2025	$10,031.00 (+8.27%) Homeowner's exemption	$658,759 (+6.8%) Land $137,945 Building $520,814
2023	$9,265.00 (+7.47%) Homeowner's exemption	$616,789 Land $132,590 Building $484,199
2022	$8,621.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Moderate above 45% of the US · lower than 73% of California
Wildfire Likelihood	0.09% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 244 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Unwired.

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